Altimmune Inc.

NASDAQ: ALT · Real-Time Price · USD
3.55
-0.08 (-2.20%)
At close: Aug 18, 2025, 3:59 PM
3.53
-0.63%
After-hours: Aug 18, 2025, 07:55 PM EDT

ALT Option Overview

Overview for all option chains of ALT. As of August 19, 2025, ALT options have an IV of 350.54% and an IV rank of 166.27%. The volume is 5,775 contracts, which is 158.96% of average daily volume of 3,633 contracts. The volume put-call ratio is 0.15, indicating a bullish sentiment in the market.

Implied Volatility

Implied Volatility (30d)
350.54%
IV Rank
166.27%
Historical Volatility
54.72%
IV Low
96.31% on Oct 18, 2024
IV High
249.21% on Aug 15, 2025

Open Interest (OI)

Today's Open Interest
180,668
Put-Call Ratio
0.26
Put Open Interest
36,977
Call Open Interest
143,691
Open Interest Avg (30-day)
159,782
Today vs Open Interest Avg (30-day)
113.07%

Option Volume

Today's Volume
5,775
Put-Call Ratio
0.15
Put Volume
773
Call Volume
5,002
Volume Avg (30-day)
3,633
Today vs Volume Avg (30-day)
158.96%

Option Chain Statistics

This table provides a comprehensive overview of all ALT options grouped by their expiration dates.

Expiration Call Vol Put Vol P/C Vol Call OI Put OI P/C OI Implied Volatility Max Pain
Aug 22, 2025 197 189 0.96 1,906 515 0.27 500% 3.5
Aug 29, 2025 303 127 0.42 1,637 4,057 2.48 378.07% 4
Sep 05, 2025 76 6 0.08 467 6,181 13.24 323.01% 4
Sep 12, 2025 241 6 0.02 237 159 0.67 234.06% 3.5
Sep 19, 2025 407 219 0.54 48,308 5,264 0.11 143.92% 4
Sep 26, 2025 108 56 0.52 319 142 0.45 197.25% 3.5
Oct 17, 2025 130 17 0.13 20 9 0.45 89.91% 4
Dec 19, 2025 373 10 0.03 8,016 2,063 0.26 113.44% 4
Jan 16, 2026 290 54 0.19 64,673 15,800 0.24 138.49% 5
Mar 20, 2026 2,283 5 0 1,298 81 0.06 106.69% 4
Jan 15, 2027 594 84 0.14 16,810 2,706 0.16 118.03% 4